210211000111009 has 4 divisors (see below), whose sum is σ = 214683574581504. Its totient is φ = 205738425640516.

The previous prime is 210211000111001. The next prime is 210211000111139. The reversal of 210211000111009 is 900111000112012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210211000111009 - 2³ = 210211000111001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210211000111001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2236287235177 + ... + 2236287235270.

It is an arithmetic number, because the mean of its divisors is an integer number (53670893645376).

Almost surely, 2^{210211000111009} is an apocalyptic number.

It is an amenable number.

210211000111009 is a deficient number, since it is larger than the sum of its proper divisors (4472574470495).

210211000111009 is an equidigital number, since it uses as much as digits as its factorization.

210211000111009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472574470494.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 210211000111009 in words is "two hundred ten trillion, two hundred eleven billion, one hundred eleven thousand, nine".